netdev - [PATCH net-next 03/11] net: stmmac: add phy_intf

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Message-Id: <E1vFt4X-0000000ChoY-30p9@rmk-PC.armlinux.org.uk>
Date: Mon, 03 Nov 2025 11:50:05 +0000
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Fabio Estevam <festevam@...il.com>,
	imx@...ts.linux.dev,
	Jakub Kicinski <kuba@...nel.org>,
	Jan Petrous <jan.petrous@....nxp.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	s32@....com,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>
Subject: [PATCH net-next 03/11] net: stmmac: add phy_intf_sel and ACTPHYIF
 definitions

Add definitions for the active PHY interface found in DMA hardware
feature register 0, and also used to configure the core in multi-
interface designs via phy_intf_sel.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/stmicro/stmmac/common.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index 27083af54568..7395bbb94aea 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -313,6 +313,16 @@ struct stmmac_safety_stats {
 #define DMA_HW_FEAT_ACTPHYIF	0x70000000	/* Active/selected PHY iface */
 #define DEFAULT_DMA_PBL		8
 
+/* phy_intf_sel_i and ACTPHYIF encodings */
+#define PHY_INTF_SEL_GMII_MII	0
+#define PHY_INTF_SEL_RGMII	1
+#define PHY_INTF_SEL_SGMII	2
+#define PHY_INTF_SEL_TBI	3
+#define PHY_INTF_SEL_RMII	4
+#define PHY_INTF_SEL_RTBI	5
+#define PHY_INTF_SEL_SMII	6
+#define PHY_INTF_SEL_REVMII	7
+
 /* MSI defines */
 #define STMMAC_MSI_VEC_MAX	32
 
-- 
2.47.3